SYSTEM AND METHOD FOR AIRCRAFT PROPELLER CONTROL

SYSTEM AND METHOD FOR AIRCRAFT PROPELLER CONTROL

A system (100) and method (500) for controlling an aircraft propeller (30) are provided. In anticipation of a condition in which a parameter related to an angle of a plurality of blades of the propeller (30) reaches a value beyond a predetermined threshold, a first control signal is output comprisin...

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Hauptverfasser: JARVO, James, PEDRAMI, Reza
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AEROPLANES
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
TRANSPORTING
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creator JARVO, James
PEDRAMI, Reza
description A system (100) and method (500) for controlling an aircraft propeller (30) are provided. In anticipation of a condition in which a parameter related to an angle of a plurality of blades of the propeller (30) reaches a value beyond a predetermined threshold, a first control signal is output comprising instructions to actuate a feather valve (102) operatively coupled to an actuator (103) configured to adjust the angle in response to hydraulic pressure, thereby causing the feather valve (102) to provide the hydraulic pressure to the actuator (103) and the angle to be adjusted for bringing the parameter towards the threshold. When the parameter reaches the predetermined threshold, a second control signal is output comprising instructions to hold the feather valve (102) at a position in which the hydraulic pressure is withheld from the actuator (103), thereby causing the angle to remain unchanged.
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In anticipation of a condition in which a parameter related to an angle of a plurality of blades of the propeller (30) reaches a value beyond a predetermined threshold, a first control signal is output comprising instructions to actuate a feather valve (102) operatively coupled to an actuator (103) configured to adjust the angle in response to hydraulic pressure, thereby causing the feather valve (102) to provide the hydraulic pressure to the actuator (103) and the angle to be adjusted for bringing the parameter towards the threshold. 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In anticipation of a condition in which a parameter related to an angle of a plurality of blades of the propeller (30) reaches a value beyond a predetermined threshold, a first control signal is output comprising instructions to actuate a feather valve (102) operatively coupled to an actuator (103) configured to adjust the angle in response to hydraulic pressure, thereby causing the feather valve (102) to provide the hydraulic pressure to the actuator (103) and the angle to be adjusted for bringing the parameter towards the threshold. When the parameter reaches the predetermined threshold, a second control signal is output comprising instructions to hold the feather valve (102) at a position in which the hydraulic pressure is withheld from the actuator (103), thereby causing the angle to remain unchanged.</abstract><oa>free_for_read</oa></addata></record>
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subjects AEROPLANES
AIRCRAFT
AVIATION
COSMONAUTICS
HELICOPTERS
PERFORMING OPERATIONS
TRANSPORTING
title SYSTEM AND METHOD FOR AIRCRAFT PROPELLER CONTROL
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